Evaluation of Phosphogypsum and Pore Volume Water Rates for Reclaiming Saline-Sodic Cambisols of Metehara Sugar Estate, Central Rift Valley of Ethiopia
Kebenu Feyisa Gonfa, Kibebew Kibret, Sheleme Beyene, Lemma Wogi
The paper evaluates phosphogypsum and leaching water rates for reclaiming saline-sodic soils, finding that 100% gypsum requirement with 3-4 pore volumes of water most effectively reduces salinity and sodicity.
bioRxiv · Mar 13, 2026 · PreprintEcology